探索研究人员如何考虑营养试验设计和参与者遵守:基于理论的分析分析
Anna Worthington1, Taylor Coffey2, Katie Gillies2
1Discipline of Nutrition, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand.
Frontiers in nutrition
|January 1, 2025
概括
研究人员旨在通过各种方法提高参与者在营养试验中的坚持. 然而,由于知识缺口和怀疑,行为变化科学的系统应用是有限的,这突显了需要明确记录策略的需要.
科学领域:
- 营养科学 营养科学
- 行为科学 行为科学
- 临床试验设计 临床试验设计
背景情况:
- 参与者遵守饮食行为对于营养试验的成功至关重要.
- 缺乏坚持是营养研究中常见的挑战.
- 了解研究人员对遵守的方法对于改善试验结果至关重要.
研究的目的:
- 调查研究人员如何支持参与者在营养试验中的坚持.
- 探索坚持策略与使用行为改变科学之间的关系.
- 确定将行为科学纳入营养试验设计中的障碍和推动因素.
主要方法:
- 为了分析当前的营养试验,进行了映射练习.
- 与12名营养试验研究人员进行了半结构面试.
- 用理论领域框架 (TDF) 和能力,机会,动机和行为 (COM-B) 模型分析了成绩单.
主要成果:
- 关于坚持的策略,出现了五个关键主题:它们是什么,如何和为什么,坚持的挑战和相互矛盾的信念.
- 研究人员承认坚持的重要性,但经常使用非系统的,基于经验的方法.
- 一些研究人员对行为变化科学表达了兴趣,但缺乏必要的知识和技能;其他人则持怀疑态度.
结论:
- 研究人员有动力加强遵守,但缺乏系统的方法.
- 遵守策略及其在营养试验中的有效性的明确文档存在差距.
- 未来的研究应该专注于整合和记录行为变化科学原则,以提高参与者的坚持.
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